An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Sathi S, Rossitch E Jr, Moore MR, Black PM.Sathi S, et al.Childs Nerv Syst. 1991 Feb;7(1):56-8. doi: 10.1007/BF00263836.Childs Nerv Syst. 1991.PMID: 2054811